EP2465823A3 - Waschsystem für nitroaromatische Verbindungen - Google Patents
Waschsystem für nitroaromatische Verbindungen Download PDFInfo
- Publication number
- EP2465823A3 EP2465823A3 EP20120157760 EP12157760A EP2465823A3 EP 2465823 A3 EP2465823 A3 EP 2465823A3 EP 20120157760 EP20120157760 EP 20120157760 EP 12157760 A EP12157760 A EP 12157760A EP 2465823 A3 EP2465823 A3 EP 2465823A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- product stream
- washing system
- washing
- nitroaromatic compounds
- nitroaromatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2009/006570 WO2011021057A1 (en) | 2009-08-18 | 2009-08-18 | Washing system for nitroaromatic compounds |
EP09786147.0A EP2462063B1 (de) | 2009-08-18 | 2009-08-18 | Waschsystem für nitroaromatische verbindungen |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09786147.0A Division-Into EP2462063B1 (de) | 2009-08-18 | 2009-08-18 | Waschsystem für nitroaromatische verbindungen |
EP09786147.0 Division | 2009-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2465823A2 EP2465823A2 (de) | 2012-06-20 |
EP2465823A3 true EP2465823A3 (de) | 2012-08-22 |
Family
ID=42101340
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09786147.0A Active EP2462063B1 (de) | 2009-08-18 | 2009-08-18 | Waschsystem für nitroaromatische verbindungen |
EP20120157760 Withdrawn EP2465823A3 (de) | 2009-08-18 | 2009-08-18 | Waschsystem für nitroaromatische Verbindungen |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09786147.0A Active EP2462063B1 (de) | 2009-08-18 | 2009-08-18 | Waschsystem für nitroaromatische verbindungen |
Country Status (7)
Country | Link |
---|---|
US (1) | US9040758B2 (de) |
EP (2) | EP2462063B1 (de) |
KR (1) | KR101612987B1 (de) |
CN (1) | CN102471092B (de) |
HU (1) | HUE030104T2 (de) |
PT (1) | PT2462063T (de) |
WO (1) | WO2011021057A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2705020T3 (pl) | 2011-05-19 | 2015-09-30 | Meissner Gmbh & Co Kg Josef | Sposób i urządzenie do oczyszczania produktów nitrowania |
US8697921B2 (en) * | 2011-08-09 | 2014-04-15 | Basf Se | Process for purifying wastewaters from the workup of crude aromatic nitro compounds |
WO2013020798A1 (de) * | 2011-08-09 | 2013-02-14 | Basf Se | Verfahren zur aufreinigung von abwässern aus der aufarbeitung von rohen aromatischen nitroverbindungen |
WO2013020961A1 (de) * | 2011-08-09 | 2013-02-14 | Basf Se | Verfahren zur aufreinigung von abwässern aus der aufarbeitung von rohen aromatischen nitroverbindungen |
US20130041188A1 (en) * | 2011-08-09 | 2013-02-14 | Basf Se | Process for purifying wastewaters from the workup of crude aromatic nitro compounds |
DE102011081898A1 (de) | 2011-08-31 | 2013-02-28 | Bayer Materialscience Aktiengesellschaft | Verfahren zur kontinuierlichen Herstellung von Nitrobenzol |
ES2570530T3 (es) * | 2012-04-25 | 2016-05-18 | Basf Se | Método para lavar dinitrotolueno |
WO2014170250A1 (de) | 2013-04-18 | 2014-10-23 | Bayer Materialscience Ag | Verfahren zur aufarbeitung von abwasser aus der nitro-benzolherstellung |
KR102176381B1 (ko) | 2013-04-18 | 2020-11-10 | 코베스트로 도이칠란트 아게 | 니트로벤젠 제조로부터의 폐수의 후처리 방법 |
PT106909B (pt) * | 2013-04-26 | 2017-06-01 | Cuf - Quim Ind S A | Processo e equipamento para remoção de impurezas de compostos aromáticos nitrados |
JP6661555B2 (ja) | 2014-06-24 | 2020-03-11 | コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag | ニトロベンゼンの製造方法 |
DE102015106617B4 (de) * | 2014-07-07 | 2017-09-21 | Josef Meissner Gmbh & Co. Kg | Verfahren zur Aufreinigung von Rohdinitrotoluolen |
CN104447343A (zh) * | 2014-10-29 | 2015-03-25 | 青岛科技大学 | 一种邻硝基甲苯分离过程中副产蒸汽的方法 |
US10155719B2 (en) * | 2015-06-12 | 2018-12-18 | Noram International Limited | Method of purifying nitrated aromatic compounds from a nitration process |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936360A (en) * | 1971-04-07 | 1976-02-03 | The Standard Oil Company | Process for distillation and recovery of olefinic nitriles |
US4371731A (en) * | 1981-09-04 | 1983-02-01 | Phillips Petroleum Company | Alkylation process |
US4604214A (en) * | 1985-08-16 | 1986-08-05 | Air Products And Chemicals, Inc. | Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent |
US4925565A (en) * | 1988-09-12 | 1990-05-15 | First Chemical Corporation | Process for extracting and disposing of nitrophenolic by-products |
US5124026A (en) * | 1989-07-18 | 1992-06-23 | Amoco Corporation | Three-stage process for deasphalting resid, removing fines from decanted oil and apparatus therefor |
US5820764A (en) * | 1993-12-31 | 1998-10-13 | Rhone-Poulenc Chimie | Treatment/removal of byproduct aqueous effluents comprising hydroxynitro-aromatic compounds |
US6288289B1 (en) * | 2000-01-27 | 2001-09-11 | Noram Engineering And Constructors Ltd. | Integrated effluent treatment process for nitroaromatic manufacture |
EP1593654A1 (de) * | 2004-04-10 | 2005-11-09 | Bayer MaterialScience AG | Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenen Abwässern |
US7326816B2 (en) * | 2006-02-03 | 2008-02-05 | Bayer Materialscience Ag | Process for the production of nitrobenzene |
US7470826B2 (en) * | 2005-10-18 | 2008-12-30 | Josef Meissner Gmbh & Co. Kg | Recovery of nitrating acid mixtures from nitration processes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4597875A (en) * | 1985-05-07 | 1986-07-01 | Air Products And Chemicals, Inc. | Precipitative removal of nitrocresols from dinitrotoluene waste streams |
US5763696A (en) | 1997-03-26 | 1998-06-09 | Arco Chemical Technology, L.P. | Removal of dinitrotoluene from process water |
US6506948B1 (en) * | 2002-02-07 | 2003-01-14 | Air Products And Chemicals, Inc. | Toluene extraction of dinitrotoluene wash water |
-
2009
- 2009-08-18 KR KR1020127006974A patent/KR101612987B1/ko active IP Right Grant
- 2009-08-18 HU HUE09786147A patent/HUE030104T2/en unknown
- 2009-08-18 CN CN2009801609777A patent/CN102471092B/zh active Active
- 2009-08-18 WO PCT/IB2009/006570 patent/WO2011021057A1/en active Application Filing
- 2009-08-18 EP EP09786147.0A patent/EP2462063B1/de active Active
- 2009-08-18 PT PT97861470T patent/PT2462063T/pt unknown
- 2009-08-18 EP EP20120157760 patent/EP2465823A3/de not_active Withdrawn
- 2009-08-18 US US13/388,836 patent/US9040758B2/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936360A (en) * | 1971-04-07 | 1976-02-03 | The Standard Oil Company | Process for distillation and recovery of olefinic nitriles |
US4371731A (en) * | 1981-09-04 | 1983-02-01 | Phillips Petroleum Company | Alkylation process |
US4604214A (en) * | 1985-08-16 | 1986-08-05 | Air Products And Chemicals, Inc. | Removal of nitrocresols from dinitrotoluene waste streams using fentons reagent |
US4925565A (en) * | 1988-09-12 | 1990-05-15 | First Chemical Corporation | Process for extracting and disposing of nitrophenolic by-products |
US5124026A (en) * | 1989-07-18 | 1992-06-23 | Amoco Corporation | Three-stage process for deasphalting resid, removing fines from decanted oil and apparatus therefor |
US5820764A (en) * | 1993-12-31 | 1998-10-13 | Rhone-Poulenc Chimie | Treatment/removal of byproduct aqueous effluents comprising hydroxynitro-aromatic compounds |
US6288289B1 (en) * | 2000-01-27 | 2001-09-11 | Noram Engineering And Constructors Ltd. | Integrated effluent treatment process for nitroaromatic manufacture |
EP1593654A1 (de) * | 2004-04-10 | 2005-11-09 | Bayer MaterialScience AG | Verfahren zur Aufarbeitung von aromatische Nitroverbindungen enthaltenen Abwässern |
US7344650B2 (en) * | 2004-04-10 | 2008-03-18 | Bayer Materialscience Ag | Process for the working-up of waste waters containing aromatic nitro compounds |
US7470826B2 (en) * | 2005-10-18 | 2008-12-30 | Josef Meissner Gmbh & Co. Kg | Recovery of nitrating acid mixtures from nitration processes |
US7326816B2 (en) * | 2006-02-03 | 2008-02-05 | Bayer Materialscience Ag | Process for the production of nitrobenzene |
Also Published As
Publication number | Publication date |
---|---|
CN102471092A (zh) | 2012-05-23 |
HUE030104T2 (en) | 2017-04-28 |
WO2011021057A1 (en) | 2011-02-24 |
US9040758B2 (en) | 2015-05-26 |
US20120136181A1 (en) | 2012-05-31 |
KR101612987B1 (ko) | 2016-04-15 |
PT2462063T (pt) | 2016-07-07 |
EP2465823A2 (de) | 2012-06-20 |
EP2462063B1 (de) | 2016-05-04 |
EP2462063A1 (de) | 2012-06-13 |
CN102471092B (zh) | 2013-11-06 |
KR20120073233A (ko) | 2012-07-04 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C07C 201/16 20060101ALI20120717BHEP Ipc: C02F 9/00 20060101ALI20120717BHEP Ipc: C02F 1/02 20060101AFI20120717BHEP Ipc: C07C 201/06 20060101ALI20120717BHEP Ipc: C07C 205/06 20060101ALI20120717BHEP |
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RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: NORAM INTERNATIONAL LIMITED |
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17P | Request for examination filed |
Effective date: 20130220 |
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17Q | First examination report despatched |
Effective date: 20130715 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20140128 |